Which one of the following statement is correct when \( \mathrm{SO}_{2} \) is passed through aci...

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Which one of the following statement is correct when \( \mathrm{SO}_{2} \) is passed through acidified \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) solution?
(NEET 2016)
\( P \)
(a) Green \( \mathrm{Cr}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) is formed
(b) The solution turns blue
(c) The solution is decolourized
(d) \( \mathrm{SO}_{2} \) is reduced
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